Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
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Numbers 1:22

Of the children of Simeon, their generations, by their families, by their fathers’ houses, those who were counted of it, according to the number of the names, one by one, every male from twenty years old and upward, all who were able to go out to war:

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